Which of the following sequence of reactions effectively converts nitrobenzene to benzonitrile? 1) Zn/HCI, 2) NaNO3/HCI, 3) NaCN 01) Fe/HCI, 2) NaNO2/HCI, 3) NacN O 1) Fe/HCl, 2) NaNO2/HCl, 3) CUCN 1) NaNO3/HCI, 2) Fe/HCI, 3) CucN
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- The reaction described below may be accelerated by making the following changes: H2O H3C" CI + NaOH + A H3C `OH + HCI o Increasing the concentration of hydrogen ions by adding an acid Substituting acetone for the solvent Temperature increase Increasing the concentration of hydroxide ionsWhich method (it may be multiple steps) would complete the following reaction? CH₂CH₂CH₂Br 1) CO2, 2) NaCl 1) NaCN, 2) H30* 1(LiAlH4, 2( H30* 1(LDA, 2) H,O CH₂CH₂CH₂C-OHTrimethyllead hydride, (CH3)3PbH, can react with methyl bromide (CH3Br) in a homolytic dissociation reaction. What will the lead-containing product be? (CH3)2Pb PbBr2 (CH3)3PbBr Pb metal
- Compound A is converted to compound B via a one-step reaction with an activation energy of +3 kcal/mol. The energy difference between Compound B and the transition state of the reaction is 7 kcal/mol. What is the AH° for the reaction? O -10 kcal/mol -4 kcal/mol +10 kcal/mol -3 kcal/mol +3 kcal/mol +4 kcal/molQUESTION 1 Answer the question below the reaction. + Excess NH4Cl In the first step of the reaction mechanism, which of the following is formed? CH3 O H3C CI H3C H3C O S OH H₂C CH3 CH3 CH3 OH CH3 -OH2 CH3 OH CH3 CH3 H₂SO4 + CI ка +H2O+ • What are the mayor arganic product of the following reaction •What is the stereo chemistry that is indicate for the reactions 1. BH 3/ THF 2. H₂Oz/NaOH´ Brz EtOH > H₂/9d/c HB c ---> -
- Explain, by considering how changes in [H+] will cause Reaction 3 to shift, why the reagents in Step 2 and 3 caused the solution to change color. Step 1: dilute methyl violet is added to water in which HMV (aq) --> H+(aq)+MV-(aq) HMV appears yellow green; MV appears violet Step 2: add 2M HCl which turns solution greenish Step 3: add NaCl which turns solution violetWhat is the reactant of the following reaction sequence? ? i. LAH, Et₂O PBr3 ii. H₂O Br B₁ XCO. CO₂H Br II III .COzH i. Mg, E1₂0 CO₂H ii. CO₂ iii. H3O+ Loạn IV ņThere are two mechanisms by which each of the C1 atoms in the following molecule can be replaced by another group: ⚫ Mechanism 1: The C1 atom can be replaced with a concerted, bimolecular step. Mechanism 2: The C1 atom can be replaced in several steps, the slowest of which is unimolecular. Highlight in red the C1 atom that would be replaced the fastest if the reaction went Mechanism 1. Highlight in blue the C1 atom that would be replaced the fastest if the reaction went Mechanism 2. If you would choose the same C1 to be replaced fastest by both mechanisms, highlight it in green instead. C1 cl. C1
- Fill in the red box(es) with the missing reactant(s), reagent(s), product(s), solvent, and/or conditions and write a reasonable mechanism for the reaction. Not every box need be used and not every box necessarily corresponds to only a single species. If no reaction occurs OR no reagents exist to perform the reaction state, "NOT POSSIBLE" AND explain why. 1) H,NNH,, HCI 2) КОН, Н, О, Д Your Answer:Which of the following changes would NOT affect the rate of the reaction of methanoic acid with bromine? HCOOH(aq) + Br₂(aq) image 2H* (aq) + 2Br (aq) + CO₂(g) O Using 100 mL of HCOOH and 100 mL of Br2 instead of 300 mL of each. O Using 0.10 M HCOOH in the reaction instead of 0.20 M HCOOH. Adding a catalyst to the reaction system. O Performing the reaction at 60°C instead of at 25°C.For the Reaction: NH3+ H2O = NH4+ OH- When adding NH3+ phenolphthalien+ HCl What stress is applied and what direction does the equilibrium shift? When adding NH3+ phenolphthalien+ NH4Cl What stress is applied and what direction does the equilibrium shift? When adding NH3+ phenolphthalien+ NaOH What stress is applied and what direction does the equilibrium shift? When adding NH3+ phenolphthalien+ HCl What stress is applied and what direction does the equilibrium shift?